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D.2.10.4 semaphore
Procedure from libraryresources.lib (see resources_lib).
- Usage:
- semaphore(n), n int
- Return:
- the index of a new semaphore initialized with n.
LIB "resources.lib";
int sem = semaphore(1);
system("semaphore", "acquire", sem);
==> 1
system("semaphore", "try_acquire", sem);
==> 0
system("semaphore", "release", sem);
==> 1
system("semaphore", "try_acquire", sem);
==> 1
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